Sieve tubes are ideal for nutrient transport because they have

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Important Questions on Anatomy of Flowering Plants

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Alpha Question Bank for Medical: Biology>Chapter 6 - Anatomy of Flowering Plants>Exercise-3>Q 62

In which of the following order, an exarch xylem develops

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Alpha Question Bank for Medical: Biology>Chapter 6 - Anatomy of Flowering Plants>Exercise-3>Q 63

Which of the following is / are correct statement with respect to Parenchyma?
(a) The cells of the parenchyma are generally isodiametric.
(b) They may either be closely packed or have small intercellular spaces.
(c) They provide major mechanical support to the growing parts of the plant.
(d) Their walls are thin and made up of cellulose.

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Alpha Question Bank for Medical: Biology>Chapter 6 - Anatomy of Flowering Plants>Exercise-3>Q 64

Which of the following is / are correct statement?

(a) The parenchyma perform various function like photosynthesis, storage, secretion
(b) Cells of collenchyma are much thickened at the corner due to a deposition of cellulose, hemicellulose & pectin.
(c) Cells of sclerenchýma are usually dead and without protoplasts.
(d) Parenchyma, collenchyma & sclerenchyma are simple permanent tissues.
(e) The cells of mass meristem divide in almost all the planes.

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Alpha Question Bank for Medical: Biology>Chapter 6 - Anatomy of Flowering Plants>Exercise-3>Q 65

Which statement is wrong?
(a) In conjoint vascular bundle xylem and phloem are located on different radii.
(b) When xylem is in centre surrounded on all sides by phloem then vascular bundle is known as Amphicribral vascular bundle.
(c) All tissues on the inner side of the endodermis such as pericycle, vascular bundles and pith constitute the stele.
(d) The innermost layer of the cortex is called endodermis.

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Alpha Question Bank for Medical: Biology>Chapter 6 - Anatomy of Flowering Plants>Exercise-3>Q 66

The region $X$ will form

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